Question

A:B=2:3 B:C=7:9 C:D=5:7 then find A:B:C:D​

Answer 1

Answer:

Given a:b=2:3,b:c=4:5,c:d=6:7

a:b=2×8:3×8=16:24

b:c=4×6:5×6=24:30

c:d=6×5:7×5=30:35

so a:b:c:d=16:24:30:35

hope it helped you